I'm having a real dilemma here: I tried on a dress that looks great (Pronovias Mercadal) and could be the one, but I can't wrap my mind around spending almost $2000 on 100 percent polyester. My friends say I'm crazy, that it looks good, and who at the wedding is going to know (or care) what fabric I'm wearing? They even thought it was silk dupioni, until I saw the label. I agree that no one will know and it looks great, but I somehow feel like I'm being duped. Am I being crazy? A dress in all silk (or at least silk on the top layer) would probably be another $1000 or so. Is it worth it? I don't think so, but I still can't shake that nagging feeling... thoughts?